better error handling for checkandplaysounds

1.5/Defs/AnimationDefs/TestAnimation1.xml

@@ -12,6 +12,7 @@
 					<workerClass>Rimworld_Animations.AnimationWorker_KeyframesExtended</workerClass>
 					<keyframes>
 						<li Class="Rimworld_Animations.ExtendedKeyframe">
+							<sound>Fuck</sound>
 							<tick>30</tick>
 							<angle>0</angle>
 							<visible>true</visible>

1.5/Source/Animations/AnimationWorkers/AnimationWorker_KeyframesExtended.cs

@@ -22,6 +22,23 @@ namespace Rimworld_Animations
             return base.OffsetAtTick(tick, parms);
         }
 
+        public SoundDef soundAtTick(int tick)
+        {
+
+            //Verse.Keyframe keyframe = this.part.keyframes[0];
+            Verse.Keyframe keyframe2 = this.part.keyframes[this.part.keyframes.Count - 1];
+            foreach (Verse.Keyframe keyframe in this.part.keyframes)
+            {
+                if (tick == keyframe.tick)
+                {
+                    return (keyframe as ExtendedKeyframe).sound;
+                }
+                
+            }
+
+            return null;
+        }
+
 
 
         //use extendedkeyframes to determine addon facing

1.5/Source/Comps/CompExtendedAnimator.cs

@@ -93,6 +93,9 @@ namespace Rimworld_Animations {
                         StopAnimating();
                     }
                 }
+
+                CheckAndPlaySounds();
+
             }
             
 
@@ -198,6 +201,42 @@ namespace Rimworld_Animations {
 
         }
 
+        public void CheckAndPlaySounds()
+        {
+
+            PawnRenderNode rootNode = pawn.Drawer?.renderer?.renderTree?.rootNode;
+
+            //check if the rootnode has sounds; if so play it
+            if (rootNode?.AnimationWorker is AnimationWorker_KeyframesExtended animWorker)
+            {
+                SoundDef sound = animWorker.soundAtTick(rootNode.tree.AnimationTick);
+                if (sound != null)
+                {
+                    sound.PlayOneShot(new TargetInfo(pawn.Position, pawn.Map));
+                }
+
+            }
+
+
+            if (rootNode?.children != null)
+            {
+                foreach (PawnRenderNode node in rootNode?.children)
+                {
+                    if (node?.AnimationWorker is AnimationWorker_KeyframesExtended childrenAnimWorker)
+                    {
+                        SoundDef sound = childrenAnimWorker.soundAtTick(node.tree.AnimationTick);
+                        if (sound != null)
+                        {
+                            sound.PlayOneShot(new TargetInfo(pawn.Position, pawn.Map));
+                        }
+
+                    }
+                }
+            }
+            //do the same for all the child nodes
+            
+        }
+
         public bool AnimationMakesUseOfProp(AnimationPropDef animationProp)
         {
             // never true if not animating; anim props shouldn't be attached